<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>experience</title>
    <style>
        .p1{
            font-family: 'Courier New', Courier, monospace;
           font-size: large;
           font-weight: bold;
           background-color: aqua;
            text-align: right;
        }
        .t1{
            font-family: 'Courier New', Courier, monospace;
            font-size: larger;
            background-color: blue;
            border: 1;
        }
    </style>
</head>
<body>
    <p class="p1">这是一个<br>段落</p>
    <form action="/submit">
        <input type="username" name="username" placeholder="Username">
        <br>
        <input type="password" name="password"placeholder="password">

    </form>
    <table class="t1">
        <tr>
            <th>第一列</th>
            <th>第二列</th>
            <th>第三列</th>
        </tr>
        <tr>
            <td>haha</td>
            <td>heihei</td>
            <td>lala</td>
        </tr>
        <tr>
    <td>我</td>
    <td>你</td>
    <td>他</td>
        </tr>
        <tr></tr>
    </table>
    <img src="白云深处有人家.jpg" alt="图片">
</body>
</html>